222855424 has 36 divisors (see below), whose sum is σ = 485286480. Its totient is φ = 101296640.

The previous prime is 222855421. The next prime is 222855443. The reversal of 222855424 is 424558222.

It is a self number, because there is not a number n which added to its sum of digits gives 222855424.

It is not an unprimeable number, because it can be changed into a prime (222855421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36754 + ... + 42385.

It is an arithmetic number, because the mean of its divisors is an integer number (13480180).

Almost surely, 2^222855424 is an apocalyptic number.

It is an amenable number.

222855424 is an abundant number, since it is smaller than the sum of its proper divisors (262431056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222855424 is an equidigital number, since it uses as much as digits as its factorization.

222855424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79166 (or 79152 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

The square root of 222855424 is about 14928.3429756956. The cubic root of 222855424 is about 606.2816207123.

The spelling of 222855424 in words is "two hundred twenty-two million, eight hundred fifty-five thousand, four hundred twenty-four".